2020 Chevrolet Suburban K1500 4WD Engine Oil Type, Capacity & Service Interval
Oil Type: 5W-30 · Capacity: 7.0 Quarts · Change Every 10,000 Miles
Engine
5.3L 8-Cylinder
Recommended Oil Type
5W-30
Viscosity grade
Oil Capacity
7.0 quarts
Including filter
Change Interval
10,000 miles
Or 12 months
Oil Filter
Fram PH3593
Compatible part number
Engine Size
5.3L
8 Cylinders
Fuel Type
Gasoline
Manufacturer specified
The 2020 Chevrolet Suburban K1500 4WD record on this page shows 5W-30 full synthetic engine oil with a 7.0-quart fill including the filter. Add the final amount slowly, then re-check the oil level after running the engine briefly. If your Suburban K1500 4WD has a different engine, trim, or regional build, verify the final spec with the owner’s manual before service.
2020 Chevrolet Suburban K1500 4WD Recommended Oil Type & Formulation
For the 2020 Chevrolet Suburban K1500 4WD, the manufacturer recommends 5W-30 full synthetic engine oil. Using the correct viscosity grade maintains proper lubrication across all operating temperatures and ensures your engine meets fuel economy specifications.
The 2020 Chevrolet Suburban K1500 4WD requires 5W-30 full synthetic engine oil. Using the correct viscosity grade ensures proper lubrication and maintains fuel efficiency across all operating temperatures.
What does 5W-30 mean? The first number (5W) indicates cold-weather viscosity — lower is better for cold starts. The second number (30) indicates viscosity at operating temperature — higher provides more protection under load.
2020 Chevrolet Suburban K1500 4WD Oil Change Interval & Maintenance Schedule
10,000
Recommended Miles
12
Recommended Months
Change the oil every 10,000 miles or 12 months, whichever comes first. Under severe driving conditions — frequent short trips, extreme temperatures, towing, or stop-and-go traffic — reduce the interval to every 5,000 miles for best engine protection.
DIY vs. Professional Oil Change Cost Calculator
Estimate the exact cost of doing it yourself at home versus taking your vehicle to an independent quick-lube shop or the franchise dealership. (Pre-filled with this vehicle's capacity).
Oil change shopping list
What to Buy for This Oil Change
Engine oil
5W-30
Buy 1 x 5-quart jug plus 2 x 1-quart bottles. No leftover oil.
Capacity
7.0 qt
Add slowly near the end and re-check level after running the engine briefly.
Oil filter
Verify fitment
Filter (e.g. Fram PH3593) can differ by engine, trim, and production date. Confirm before buying.
DIY Oil Change Tips for the Chevrolet Suburban K1500 4WD
Performing your own oil change on the 2020 Chevrolet Suburban K1500 4WD can save $30–$60 per service. You will need: 7.0 quarts of 5W-30 full synthetic oil, a Fram PH3593, a drain pan, and a Chevrolet-compatible oil filter wrench.
Allow the engine to warm up for 2–3 minutes before draining, then cool for 10 minutes. Torque the drain plug to manufacturer spec (typically 18–25 ft-lbs) to prevent leaks. Reset the oil life monitor if equipped after completing the service.
⚠ Reference Only: Always verify specifications with your official owner's manual. Oil specs may vary by trim level and engine variant. Consult a certified mechanic if unsure.
Estimated Change Cost
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Our technical specs are updated for 2026. If you noticed an error or need specialized engine data for your specific trim, contact our support team.
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